dynastic_monks_gain_xp_effect

dynastic_monks_gain_xp_effect = {
	if = {
		limit = { NOT = { exists = scope:puppet_or_actor } }
		scope:actor = { save_scope_as = puppet_or_actor }
	}
	every_courtier = {
		limit = {
			has_trait = devoted
			OR = {
				AND = {
					exists = scope:puppet_or_actor.dynasty
					dynasty ?= scope:puppet_or_actor.dynasty
				}
				is_close_family_of = scope:puppet_or_actor
			}
		}
		add_trait_xp = {
			trait = devoted
			value = {
				value = 2
				if = {
					limit = {
						is_close_family_of = scope:puppet_or_actor
					}
					add = 2
				}
				if = {
					limit = {
						house ?= scope:puppet_or_actor.house
					}
					add = 2
				}
				#increase for lease granting interaction
				if = {
					limit = {
						exists = scope:target
					}
					multiply = 2
				}
				#Increase for huge donation
				if = {
					limit = {
						scope:huge_donation ?= yes
					}
					multiply = 2.5
				}
			}
		}
	}
}

As written in game/common/scripted_effects/00_holy_order_effects.txt.